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P11393 (PHEB_PORPP) Reviewed, UniProtKB/Swiss-Prot

Last modified March 19, 2014. Version 76. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
B-phycoerythrin beta chain
Gene names
Name:cpeB
Encoded onPlastid; Chloroplast
OrganismPorphyridium purpureum (Red alga) (Porphyridium cruentum)
Taxonomic identifier35688 [NCBI]
Taxonomic lineageEukaryotaRhodophytaBangiophyceaePorphyridialesPorphyridiaceaePorphyridium

Protein attributes

Sequence length177 AA.
Sequence statusComplete.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

Light-harvesting photosynthetic bile pigment-protein from the phycobiliprotein complex.

Subunit structure

Heteropolymer of 6 alpha, 6 beta and one gamma chain By similarity.

Subcellular location

Plastidchloroplast thylakoid membrane; Peripheral membrane protein; Stromal side By similarity. Note: Forms the periphery of the phycobilisome rod By similarity.

Post-translational modification

Contains two covalently linked phycoerythrobilin chromophores and one covalently linked phycourobilin chromophore.

Sequence similarities

Belongs to the phycobiliprotein family.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 177177B-phycoerythrin beta chain
PRO_0000199194

Sites

Binding site501Phycourobilin chromophore (covalent; via 2 links)
Binding site611Phycourobilin chromophore (covalent; via 2 links)
Binding site821Phycoerythrobilin chromophore 1 (covalent; via 1 link)
Binding site1581Phycoerythrobilin chromophore 2 (covalent; via 1 link)

Amino acid modifications

Modified residue721N4-methylasparagine Ref.1

Experimental info

Sequence conflict1671S → Q AA sequence Ref.2

Secondary structure

..................... 177
Helix Strand Turn

Details...

Sequences

Sequence LengthMass (Da)Tools
P11393 [UniParc].

Last modified July 1, 1989. Version 1.
Checksum: 168E71372A29CD89

FASTA17718,554
        10         20         30         40         50         60 
MLDAFSRVVV NSDAKAAYVG GSDLQALKSF IADGNKRLDA VNSIVSNASC MVSDAVSGMI 

        70         80         90        100        110        120 
CENPGLISPG GNCYTNRRMA ACLRDGEIIL RYVSYALLAG DASVLEDRCL NGLKETYIAL 

       130        140        150        160        170 
GVPTNSSIRA VSIMKAQAVA FITNTATERK MSFAAGDCTS LASEVASYFD RVGAAIS 

« Hide

References

[1]"The complete amino-acid sequence of the alpha and beta subunits of B-phycoerythrin from the rhodophytan alga Porphyridium cruentum."
Sidler W., Kumpf B., Suter F., Klotz A.V., Glazer A.N., Zuber H.
Biol. Chem. Hoppe-Seyler 370:115-124(1989) [PubMed] [Europe PMC] [Abstract]
Cited for: PROTEIN SEQUENCE, METHYLATION AT ASN-72.
[2]"Bilin attachment sites in the alpha and beta subunits of B-phycoerythrin. Amino acid sequence studies."
Lundell D.J., Glazer A.N., DeLange R.J., Brown D.M.
J. Biol. Chem. 259:5472-5480(1984) [PubMed] [Europe PMC] [Abstract]
Cited for: PROTEIN SEQUENCE OF 38-77; 79-84 AND 151-171, CHROMOPHORE ATTACHMENT SITES.
+Additional computationally mapped references.

Cross-references

Sequence databases

PIRS02818.
RefSeqYP_008965770.1. NC_023133.1.

3D structure databases

PDBe
RCSB PDB
PDBj
EntryMethodResolution (Å)ChainPositionsPDBsum
3V57X-ray1.70B/D1-177[»]
3V58X-ray1.85B/D1-177[»]
ProteinModelPortalP11393.
SMRP11393. Positions 1-177.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

IntActP11393. 1 interaction.
MINTMINT-8389580.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

GeneID17963946.

Family and domain databases

Gene3D1.10.490.20. 1 hit.
InterProIPR009050. Globin-like.
IPR012128. Phycobilisome_asu/bsu.
[Graphical view]
PfamPF00502. Phycobilisome. 1 hit.
[Graphical view]
PIRSFPIRSF000081. Phycocyanin. 1 hit.
SUPFAMSSF46458. SSF46458. 1 hit.
ProtoNetSearch...

Entry information

Entry namePHEB_PORPP
AccessionPrimary (citable) accession number: P11393
Entry history
Integrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: July 1, 1989
Last modified: March 19, 2014
This is version 76 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)

Relevant documents

SIMILARITY comments

Index of protein domains and families

PDB cross-references

Index of Protein Data Bank (PDB) cross-references